What percentage of water in canada is drinkable?

Think it is about 7%
hope this is help ful

After all, we're often told that Canada has some 20% of the world's total freshwater resources. However, less than half of this water -- about 7% of the global supply -- is "renewable". Most of it is fossil water retained in lakes, underground aquifers, and glaciers.

Probably north korea if your family has decided to use only nuclear power.